Finding the Fourth Proportional to 7,756,719.21, 11,619,353.75 and 3,596,277.06
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Solution
The fourth proportional to 7,756,719.21, 11,619,353.75 and 3,596,277.06 is: 5,387,124.92
Step by Step Solution
- Step 1: Write the proportion equation
7,756,719.21 : 11,619,353.75 = 3,596,277.06 : x - Step 2: Convert to fraction form
7,756,719.21/11,619,353.75 = 3,596,277.06/x - Step 3: Cross multiply
7,756,719.21x = 11,619,353.75 × 3,596,277.06 - Step 4: Simplify right side
7,756,719.21x = 41,786,415,325,168.59 - Step 5: Solve for x
x = 41,786,415,325,168.59/7,756,719.21 - Step 6: Final answer
x = 5,387,124.92
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.